package Stack;

import java.util.Stack;

public class Test {
    public static void main(String[] args) {
        MyStack myStack = new MyStack();
        myStack.push(1);
        myStack.push(2);
        myStack.push(3);
        myStack.push(4);
        System.out.println(myStack.peek());
        System.out.println(myStack.pop());

        System.out.println();
    }

    public static void main1(String[] args) {
        Stack<Integer> stack = new Stack<>();
        stack.push(1);
        stack.push(2);
        stack.push(3);
        //System.out.println(stack.pop());
        System.out.println(stack.peek());
        System.out.println();
    }
}
